Question

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rated 0 times [ 184] [ 6] / answers: 1 / hits: 5609 / 4 Years ago, fri, april 10, 2020, 12:00:00

The @nestjs/swagger doc describes here that defining an extra model should be done this way:

@ApiExtraModels(ExtraModel)

export class CreateCatDto {}

But what is ExtraModel here ? The doc is not very clear about this.

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answered 4 Years ago randall · Accepted Answer

I ran into the same uncertainity.
After googling https://github.com/nestjs/swagger/pull/355/files I understood the documentation:

first import your model to be referred to by import { ExtraModel } from '<filename>' (<--- so this is lacking in the docs BTW)

the decorator then decorates the class which refers to the model (so providing the reference)

I guess you had the same mind-twister as me that the ApiExtraModels-decorator acts on the model ...

Cheers,
Stephan